Source for Saturn PCB-Mount Controller Ports?

MD2NEO by Frank

Is there a source for PCB mount Sega Saturn controller ports?  Frank is considering Saturn controller adapters for the Sentinel Supergun but needs a source for the mounts: 

https://www.arcade-projects.com/forums/index.php?thread/5942-sentinel-supergun-prototype/&postID=93802#post93802

#sega, #saturn